n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 8 |
4 | 46 |
5 | 332 |
6 | 2874 |
7 | 29024 |
8 | 334982 |
9 | 4349492 |
10 | 62749906 |
11 | 995818760 |
12 | 17239953438 |
13 | 323335939292 |
14 | 6530652186218 |
15 | 141326092842416 |
16 | 3262247252671414 |
17 | 80009274870905732 |
18 | 2077721713464798210 |
19 | 56952857434896699992 |
20 | 1643312099715631960910 |
[1,1,2,8,46,332,2874,29024,334982,4349492, 62749906,995818760,17239953438,323335939292, 6530652186218,141326092842416,3262247252671414, 80009274870905732,2077721713464798210, 56952857434896699992,1643312099715631960910] |